Home / 12,513.59-17,267.58-7,476.81

Finding the Fourth Proportional to 12,513.59, 17,267.58 and 7,476.81

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Solution

The fourth proportional to 12,513.59, 17,267.58 and 7,476.81 is: 10,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,513.59 : 17,267.58 = 7,476.81 : x
  2. Step 2: Convert to fraction form
    12,513.59/17,267.58 = 7,476.81/x
  3. Step 3: Cross multiply
    12,513.59x = 17,267.58 × 7,476.81
  4. Step 4: Simplify right side
    12,513.59x = 129,106,350.07
  5. Step 5: Solve for x
    x = 129,106,350.07/12,513.59
  6. Step 6: Final answer
    x = 10,317.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.